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    Evaluation of Self-Consolidating Concrete for Bridge Structure Applications

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    horta_alen_200507_mast.pdf (8.321Mb)
    Date
    2005-07-01
    Author
    Horta, Alen
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    Abstract
    The goal of this research was to determine whether precast prestressed bridge elements with congested reinforcement could be cast using self-consolidating concrete (SCC) without vibration and yet comply with all parameters of strength, no honeycombing, and void-free surface finish. Eight wall panels and eight BT-72 13-ft long girder sections were fabricated in two precast plants. A qualitative and quantitative evaluation of the surface finish, and homogeneity of the concrete throughout the specimens was performed. Strength, creep, shrinkage and chloride permeability of the SCC field mixes were investigated. Good quality SCC mixes were produced for the walls and the BT-72 girder sections, which completely filled the specimens without the need of internal or external vibration, and resulted in a superior surface finish and a homogenous distribution of the aggregate throughout the section.
    URI
    http://hdl.handle.net/1853/7159
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    • Georgia Tech Theses and Dissertations [23403]
    • School of Civil and Environmental Engineering Theses and Dissertations [1723]

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